Solar flares on September 30, 2003
The most powerful solar flare in 24 hours
M1.4 (strong) flare - September 30 at 8:51 PM
Solar activity index
Value as of the end of the day on September 30, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 29, 2003 to September 30, 2003
Time zone — UTC-08 (Anchorage) — summer time
List of solar flares for September 30, 2003
The total number of solar flares of class C and higher — 8 flares
C class — 7 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.4 | 20:44 | 20:51 | 20:59 | 464 |
| C3.3 | 20:19 | 20:27 | 20:35 | 464 |
| C3.9 | 15:17 | 15:26 | 15:40 | 464 |
| C4.9 | 12:09 | 12:21 | 12:41 | 471 |
| C3.0 | 04:47 | 04:50 | 04:53 | 464 |
| C3.2 | 00:46 | 00:52 | 00:56 | 464 |
| C1.8 | 00:37 | 00:40 | 00:42 | — |
| C2.8 | 23:37 | 00:01 | 00:15 | 464 |